79672840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 205117920

約数和(自身を除く): 125445080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 41, 52, 65, 74, 82, 101, 104, 130, 148, 164, 185, 202, 205, 260, 296, 328, 370, 404, 410, 481, 505, 520, 533, 740, 808, 820, 962, 1010, 1066, 1313, 1480, 1517, 1640, 1924, 2020, 2132, 2405, 2626, 2665, 3034, 3737, 3848, 4040, 4141, 4264, 4810, 5252, 5330, 6068, 6565, 7474, 7585, 8282, 9620, 10504, 10660, 12136, 13130, 14948, 15170, 16564, 18685, 19240, 19721, 20705, 21320, 26260, 29896, 30340, 33128, 37370, 39442, 41410, 48581, 52520, 53833, 60680, 74740, 78884, 82820, 97162, 98605, 107666, 149480, 153217, 157768, 165640, 194324, 197210, 215332, 242905, 269165, 306434, 388648, 394420, 430664, 485810, 538330, 612868, 766085, 788840, 971620, 1076660, 1225736, 1532170, 1943240, 1991821, 2153320, 3064340, 3983642, 6128680, 7967284, 9959105, 15934568, 19918210, 39836420, 79672840]

約数ペア:

[(1, 79672840), (2, 39836420), (4, 19918210), (5, 15934568), (8, 9959105), (10, 7967284), (13, 6128680), (20, 3983642), (26, 3064340), (37, 2153320), (40, 1991821), (41, 1943240), (52, 1532170), (65, 1225736), (74, 1076660), (82, 971620), (101, 788840), (104, 766085), (130, 612868), (148, 538330), (164, 485810), (185, 430664), (202, 394420), (205, 388648), (260, 306434), (296, 269165), (328, 242905), (370, 215332), (404, 197210), (410, 194324), (481, 165640), (505, 157768), (520, 153217), (533, 149480), (740, 107666), (808, 98605), (820, 97162), (962, 82820), (1010, 78884), (1066, 74740), (1313, 60680), (1480, 53833), (1517, 52520), (1640, 48581), (1924, 41410), (2020, 39442), (2132, 37370), (2405, 33128), (2626, 30340), (2665, 29896), (3034, 26260), (3737, 21320), (3848, 20705), (4040, 19721), (4141, 19240), (4264, 18685), (4810, 16564), (5252, 15170), (5330, 14948), (6068, 13130), (6565, 12136), (7474, 10660), (7585, 10504), (8282, 9620)]